A multi-channel radio frequency signal processing device and system suitable for small motion platforms
Patent Information
- Application Number
- CN202610913247.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-06-24
- Publication Date
- 2026-09-29
AI Technical Summary
[0004]本发明的目的在于提出一种适用于小型运动平台的多通道射频信号处理设备与系统，以解决现有技术中所存在现有的小型运动平台有限的载荷、空间、供电需求与传统射频信号处理设备中机架形式带来的重量大、空间大，功耗大存在平衡矛盾的技术问题，至少提供一种有益的选择或创造条件
(1)基于内部网络实现数据高速传输与芯片级互联。本发明设备基于内部网络构建异构多处理单元分布式架构，通过高速交换网络实现处理通道协同与数据高效传输。
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Figure CN122844871A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of integrated radio frequency processing, and specifically relates to a multi-channel radio frequency signal processing device and system suitable for small motion platforms. Background Technology
[0002] Currently, as users' demands for highly integrated electronic systems continue to increase, and as the functions that electronic systems need to perform become increasingly complex, electronic systems are trending towards multi-functional parallel processing, high-performance processing, and dynamic reconfigurability. Under this highly integrated design approach, and following the integrated design philosophy, it is necessary to uniformly configure and manage hardware resources. Through system reconfiguration and automatic loading, hardware resources can be reused for different functional requirements, maximizing functionality with minimal resource allocation, thereby improving task reliability.
[0003] To enhance the hardware-software decoupling capability of the equipment, a dynamically configurable multi-channel RF signal processing device is constructed. At the hardware level, a universal design is adopted, allowing for "soft" switching of tasks by loading different functional software onto shared hardware according to different task requirements. This hardware-sharing approach significantly reduces the overall system size and power consumption, thereby achieving integrated and unified hardware-software decoupling capabilities. In particular, the limited load, space, and power supply requirements of small motion platforms inherently contradict the heavy weight, large space requirements, and high power consumption of traditional rack-mounted RF signal processing equipment. This underscores the necessity of developing a comprehensive RF signal processing device with universal, miniaturized, integrated, and multifunctional capabilities. Summary of the Invention
[0004] The purpose of this invention is to propose a multi-channel radio frequency signal processing device and system suitable for small motion platforms, so as to solve the technical problem of balancing the limited load, space and power supply requirements of existing small motion platforms with the large weight, large space and high power consumption of traditional radio frequency signal processing devices in the rack form, and at least provide a beneficial option or create conditions.
[0005] To achieve the above objectives, according to one aspect of the present invention, a multi-channel radio frequency signal processing device suitable for a small motion platform is provided, the device comprising: a control management unit, a signal processing unit, and a recording and storage unit; The control and management unit is used to parse and generate control signals and processing signals based on the control instructions issued by the task machine, and to control the processing unit to achieve different functions based on different control signals. The signal processing unit is used to respond to different control signals, control the connection state of different functional threads of the signal processing unit, and realize the loading of different functional programs by the signal processing unit. The recording and storage unit is connected to the signal processing unit and the control and management unit via an internal network, and is used to store the signals transmitted by the task machine, the control and management unit and the signal processing unit. The power supply unit provides power to the control management unit, the signal processing unit, and the recording and storage unit, respectively.
[0006] Furthermore, the recording storage unit adopts a structural design that supports quick assembly and disassembly, and corresponding external connectors to achieve rapid installation and disassembly.
[0007] Furthermore, the power supply unit is used to process the external input voltage and supply power to the control management unit, the signal processing unit, and the recording and storage unit based on the processed voltage.
[0008] Furthermore, the power supply unit includes two power supply sub-units.
[0009] Furthermore, the two power supply subunits are designed as redundant backups for each other, used to filter and convert the external input voltage, and to supply power to the control management unit, the signal processing unit and the recording and storage unit respectively based on the processed voltage.
[0010] Furthermore, the power supply unit also includes providing short-term energy storage to the power supply circuitry in the device.
[0011] Furthermore, the control management unit also sets priorities for different processing signals and sends the different processing signals and control signals to the signal processing unit in priority order.
[0012] Furthermore, the control and management unit includes a fiber optic interface, a central processing unit, and a reconfigurable logic unit.
[0013] Furthermore, the fiber optic interface is used to acquire control commands issued by the task machine and to report status messages of various functions.
[0014] Furthermore, the central processing unit is used to encapsulate the control instructions into execution instructions.
[0015] Furthermore, the reconfigurable logic unit generates control signals and processing signals based on the execution instructions.
[0016] Furthermore, the central processing unit is also used to set priorities for each of the control signals.
[0017] Furthermore, the fiber optic interface, the central processing unit, and the reconfigurable logic unit are sequentially connected via an internal network.
[0018] Furthermore, the control management unit transmits the processing signals and control signals of different priorities to the signal processing unit through different transmission channels.
[0019] Furthermore, the method for controlling the processing unit to achieve different functions based on different control signals includes: The control signals from the mission controller are either transmit or receive commands. When the mission unit issues a launch command, the control management unit controls the signal processing unit to switch the launch function; when the mission unit issues a receive command, the control management unit controls the signal processing unit to switch the receive function.
[0020] Furthermore, when the signal processing unit performs the transmission function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the transmission function through different threads, thereby completing the switching of the signal processing unit to the transmission function; When the signal processing unit performs the receiving function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the receiving function through different threads, thereby completing the switching of the signal processing unit to the receiving function.
[0021] Furthermore, when the signal processing unit performs the transmission function, the heterogeneous processing chip performs signal encoding on the processed signal.
[0022] Furthermore, when the signal processing unit performs the receiving function, the heterogeneous processing chip performs signal decoding on the processed signal and transmits the result of the signal decoding to the task machine via the internal network.
[0023] Furthermore, the signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network, and the multiple heterogeneous processing chips sample, extract and process the signal.
[0024] Furthermore, the processed signal is a radio frequency signal.
[0025] Furthermore, the control management unit is also used to upload the resource and function thread occupancy status of the device to the task machine.
[0026] Furthermore, the signal processing unit includes a sampling chip, a processing chip, and a computing chip.
[0027] Furthermore, when the signal processing unit performs the transmission function, the sampling chip in the signal processing unit converts the processed signal into a digital signal, and the processing chip performs signal encoding on the digital signal.
[0028] Furthermore, when the signal processing unit performs the receiving function, the sampling chip in the signal processing unit converts the processed signal into an analog signal, the processing chip performs signal demodulation on the analog signal, the computing chip calculates the modulated result to obtain the processing result, and transmits the processing result to the task machine via the internal network.
[0029] In another aspect, the present invention also provides a multi-channel radio frequency signal processing system suitable for small motion platforms, the system comprising a management end, a transmitter end, and a receiver end; The management terminal is used to issue multiple control commands and monitor the resource and function thread usage of the system. The transmitter is used to transmit control commands and processing signals issued by the management terminal to the control management unit via the optical fiber interface. The control management unit controls the signal processing unit to encode the processing signals based on the control commands and transmits the encoded results through the transmitter. The receiving end is used to receive the radio frequency signal sent by the transmitting end, and after decoding the received radio frequency signal by the signal processing unit, the decoding result is transmitted to the mission machine and the recording and storage unit via the internal network.
[0030] Furthermore, the management terminal also adjusts the priority of control commands based on the resource and function thread occupancy of the system.
[0031] Furthermore, the management terminal also includes functions for monitoring the health status of resources and functional threads, performing comprehensive fault diagnosis, fault isolation, and reporting faults to the task machine based on the resource and functional thread occupancy of the system.
[0032] Beneficial effects: (1) High-speed data transmission and chip-level interconnection are achieved based on the internal network. The device of this invention constructs a heterogeneous multi-processing unit distributed architecture based on the internal network, and realizes processing channel collaboration and efficient data transmission through a high-speed switching network.
[0033] (2) Functional mode switching and reconfiguration under system control and scheduling. This technical equipment manages the various functional software programs in operation. Specifically, after the system is powered on, it ensures that the hardware is ready, completes the resource configuration and network interface configuration of each functional software program, loads the functional software and preset operating parameters, and then starts the functional software and health monitoring software to run in coordination, monitor the system status in real time, and when the system detects a fault, it isolates the faulty component, resets the resource configuration to adapt to the new mode or restore the function, and ensures the continuous and reliable operation of the system.
[0034] (3) Based on functional requirements, dynamic resource allocation and software loading are implemented. Different functions and different working modes can share the same resources according to the priority of functional requirements and the current resource status, realizing flexible deployment and improving the openness and universality of the system. This design reduces hardware resource overhead while completing multiple functions, achieving the goal of saving space and power resources. Attached Figure Description
[0035] Figure 1 This is a schematic diagram of the architecture of the multi-channel radio frequency signal processing device provided by the present invention; Figure 2 This is a schematic diagram of the architecture of a multi-channel radio frequency signal processing device provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the signal processing unit architecture provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of a multi-channel radio frequency signal processing system provided in an embodiment of the present invention. Detailed Implementation
[0036] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.
[0037] This invention provides a multi-channel radio frequency signal processing device suitable for small motion platforms, providing hardware and software resources and a software operating environment for realizing multiple communication functions.
[0038] Figure 1 A multi-channel radio frequency signal processing device architecture diagram suitable for small motion platforms is provided for embodiments of the present invention; please refer to... Figure 1 As shown, the present invention provides a multi-channel radio frequency signal processing device suitable for small motion platforms, the device comprising: a control and management unit, a signal processing unit, a recording and storage unit, and a power supply unit; The control and management unit is used to parse and generate control signals and processing signals based on the control instructions issued by the task machine, and to control the processing unit to achieve different functions based on different control signals. The signal processing unit is used to respond to different control signals, control the connection state of different functional threads of the signal processing unit, and realize the loading of different functional programs by the signal processing unit. The recording and storage unit is connected to the signal processing unit and the control and management unit via an internal network, and is used to store the signals transmitted by the task machine, the control and management unit and the signal processing unit. The power supply unit provides power to the control management unit, the signal processing unit, and the recording and storage unit, respectively.
[0039] Furthermore, the internal network in this embodiment of the invention includes SRIO and Ethernet.
[0040] Furthermore, the recording storage unit adopts a structural design that supports quick assembly and disassembly, and corresponding external connectors to achieve rapid installation and disassembly.
[0041] Furthermore, the power supply unit is used to process the external input voltage and supply power to the control management unit, the signal processing unit, and the recording and storage unit based on the processed voltage.
[0042] Furthermore, the power supply unit includes two power supply sub-units.
[0043] Furthermore, the two power supply subunits are designed as redundant backups for each other, used to filter and convert the external input voltage, and to supply power to the control management unit, the signal processing unit and the recording and storage unit respectively based on the processed voltage.
[0044] Furthermore, the power supply unit also includes providing short-term energy storage to the power supply circuitry in the device.
[0045] Furthermore, the control management unit also sets priorities for different processing signals and sends the different processing signals and control signals to the signal processing unit in priority order.
[0046] Furthermore, the control and management unit includes a fiber optic interface, a central processing unit, and a reconfigurable logic unit.
[0047] Furthermore, the fiber optic interface is used to acquire control commands issued by the task machine and to report status messages of various functions.
[0048] Furthermore, the central processing unit is used to encapsulate the control instructions into execution instructions.
[0049] Furthermore, the reconfigurable logic unit generates control signals and processing signals based on the execution instructions.
[0050] Furthermore, the central processing unit is also used to set priorities for each of the control signals.
[0051] Furthermore, the fiber optic interface, the central processing unit, and the reconfigurable logic unit are sequentially connected via an internal network.
[0052] Furthermore, in this embodiment of the invention, the fiber optic interface uses an FC daughter card, the central processing unit uses a CPU, and the reconfigurable logic unit uses an FPGA minimum unit.
[0053] Furthermore, the control management unit transmits the processing signals and control signals of different priorities to the signal processing unit through different transmission channels.
[0054] Furthermore, the method for controlling the processing unit to achieve different functions based on different control signals includes: The control signals from the mission controller are either transmit or receive commands. When the mission unit issues a launch command, the control management unit controls the signal processing unit to switch the launch function; when the mission unit issues a receive command, the control management unit controls the signal processing unit to switch the receive function.
[0055] Furthermore, when the signal processing unit performs the transmission function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the transmission function through different threads, thereby completing the switching of the signal processing unit to the transmission function; When the signal processing unit performs the receiving function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the receiving function through different threads, thereby completing the switching of the signal processing unit to the receiving function.
[0056] Furthermore, when the signal processing unit performs the transmission function, the heterogeneous processing chip performs signal encoding on the processed signal.
[0057] Furthermore, when the signal processing unit performs the receiving function, the heterogeneous processing chip performs signal decoding on the processed signal and transmits the result of the signal decoding to the task machine via the internal network.
[0058] Furthermore, the control management unit is also used to upload the resource and function thread occupancy status of the device to the task machine.
[0059] Furthermore, the signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network, and the multiple heterogeneous processing chips sample, extract and process the signal.
[0060] Furthermore, the processed signal is a radio frequency signal.
[0061] Furthermore, the signal processing unit includes a sampling chip, a processing chip, and a computing chip.
[0062] Furthermore, when the signal processing unit performs the transmission function, the sampling chip in the signal processing unit samples and extracts the processed signal and converts it into a digital signal, and the processing chip performs signal encoding on the digital signal.
[0063] Furthermore, when the signal processing unit performs the receiving function, the sampling chip in the signal processing unit converts the processed signal into an analog signal, the processing chip performs signal demodulation on the analog signal, the computing chip calculates the modulated result, performs interpolation and filtering to obtain the processing result, and transmits the processing result to the task machine via the internal network.
[0064] Furthermore, in this embodiment of the invention, the sampling chip is an RFSOC chip, the processing chip is a ZYNQ chip, and the computing chip is a GPU chip.
[0065] Furthermore, within the signal processing unit, these various chips are interconnected through an internal network.
[0066] The multi-channel radio frequency signal processing device provided by this invention can perform the following functions: radio frequency signal processing, control and management functions, and data recording functions.
[0067] At the system control and management level, the multi-channel radio frequency signal processing equipment can realize multi-function switching, status control, and system resource scheduling management. It can generate system function configuration schemes based on system mode and resource health status, allocate resources in real time, and complete the assembly of functional threads. It has the functions of monitoring the health status of resources and functional threads, fault isolation, and reporting. It has reconfiguration management and can complete task reconfiguration and degradation reconfiguration based on system resource status and health status. It can realize competitive scheduling management of resources.
[0068] Figure 2 This is a schematic diagram of the architecture of a multi-channel radio frequency signal processing device provided in an embodiment of the present invention. Please refer to it. Figure 2 As shown, the present invention provides the following three detailed embodiments for understanding the device of the present invention.
[0069] In one possible embodiment, this embodiment provides a multi-channel radio frequency signal processing device suitable for a spaceborne platform, applied to the radio frequency signal processing end of the spaceborne platform. The device includes a control and management unit, a signal processing unit, a recording and storage unit, and a power supply unit. The control and management unit is communicatively connected to the spaceborne integrated mission management computer. The control and management unit is used to parse and generate control signals and carried processing signals according to the control instructions issued by the onboard integrated mission management computer, and to control the signal processing unit to achieve different functions based on different control signals. The control management unit also sets priorities for different processing signals and sends the different processing signals and control signals to the signal processing unit in priority order; The control and management unit specifically includes an optical fiber interface interconnected via an internal network, a central processing unit (CPU), and a reconfigurable logic unit. The optical fiber interface is used to acquire control commands issued by the onboard integrated mission management computer. In this embodiment, the optical fiber interface uses a radiation-hardened FC daughter card. The CPU uses an aerospace-grade radiation-hardened CPU (such as the P2020) and is used to encapsulate the control commands into execution instructions. The reconfigurable logic unit uses an aerospace-grade FPGA minimum unit (such as the Xilinx XQRKU060) and parses and generates control signals and processing signals based on the execution instructions. The CPU is also used to set priorities for each of the control signals. The fiber optic interface, central processing unit, and reconfigurable logic unit are sequentially connected via an internal network, which includes SRIO and Ethernet. The control and management unit also integrates an RIO bridge chip, which is interconnected with the signal processing unit and recording and storage unit via the RapidIO bus, and communicates with the onboard integrated mission management computer via Ethernet via an Ethernet switch. The control management unit transmits the processing signals and control signals of different priorities to the signal processing unit through different transmission channels; The signal processing unit is used to respond to different control signals, control the connection state of different functional threads of the signal processing unit, and realize the switching of different functions of the signal processing unit; the signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network (RapidIO bus and RIO switch), specifically including aerospace-grade ZYNQ, aerospace-grade GPU (such as NVIDIA Jetson Orin NX aerospace version), aerospace-grade FPGA and aerospace-grade RFSOC (such as Xilinx Zynq UltraScale+ RFSoC) and other types of chips; The signal processing unit includes a sampling chip, a processing chip, and a computing chip. In this embodiment, the sampling chip is an RFSOC chip, the processing chip is a ZYNQ chip, and the computing chip is a GPU chip. Methods for controlling signal processing units to perform different functions based on different control signals include: parsing the control signals of the onboard integrated mission management computer into transmit or receive commands; When the onboard integrated mission management computer issues a launch command, the control management unit controls the signal processing unit to switch the launch function. At this time, the sampling chip in the signal processing unit converts the processed signal into a digital signal. The processing chip performs signal encoding on the digital signal. Multiple heterogeneous processing chips access the hardware resources corresponding to the launch function through different threads to complete the switch of the signal processing unit to the launch function. When the onboard integrated mission management computer issues a receiving command, the control management unit controls the signal processing unit to switch to the receiving function. At this time, the sampling chip in the signal processing unit converts the processed signal into an analog signal. The processing chip performs signal demodulation on the analog signal. The computing chip calculates the modulated result to obtain the processing result and transmits the processing result to the onboard integrated mission management computer via the internal network. Multiple heterogeneous processing chips access the hardware resources corresponding to the receiving function through different threads to complete the switching of the signal processing unit to the receiving function. The recording and storage unit adopts a structural design that supports rapid on-orbit assembly and disassembly, and corresponding aerospace-grade external connectors. It is connected to the signal processing unit and the control and management unit through an internal network (including the RapidIO bus), and receives status and instruction information from the control and management unit through an asynchronous serial bus. It is used to store instructions and data transmitted by the onboard integrated mission management computer, the control and management unit, and the signal processing unit. The power supply unit supplies power to the control management unit, the signal processing unit, and the recording and storage unit. The power supply unit processes the externally input primary bus voltage (typically 28V) and supplies power to each unit based on the processed voltage. The power supply unit includes two power supply sub-units, which are redundantly designed to filter and convert the externally input voltage (passing sequentially through a front-end protection circuit, a DC-DC converter, and a back-end filter circuit), and provide multiple stable outputs (such as ±5V, 3.3V, and 1.0V core voltages) based on the processed voltage. The power supply unit also includes an energy storage circuit component (using aerospace-grade tantalum capacitors or supercapacitors) that provides short-term energy storage to the power supply circuit in the device, and can maintain the device operation for no less than 100ms when the bus voltage is momentarily interrupted. In this embodiment, the multi-channel radio frequency signal processing device, at the system control and management level, can realize multi-function switching, status control, and system resource scheduling management. It can generate system function configuration schemes based on the satellite's on-orbit mission mode and resource health status, and complete real-time resource allocation and functional thread assembly. It has the functions of monitoring the health status of resources and functional threads, fault isolation, and reporting. It has reconfiguration management and can complete task reconfiguration and degradation reconfiguration based on system resource conditions and health status. It realizes competitive scheduling management of resources and has the functions of software on-orbit reconfiguration and remote online loading.
[0070] In another possible embodiment, this embodiment provides a multi-channel radio frequency signal processing device suitable for missile-borne platforms, applied to the radio frequency signal processing end of the missile-borne platform. The device includes a control and management unit, a signal processing unit, a recording and storage unit, and a power supply unit. The control and management unit is communicatively connected to a missile-borne integrated mission management computer (such as a missile flight control computer). The control management unit is used to parse and generate control signals and carried processing signals according to the control instructions issued by the missile-borne integrated mission management computer, and to control the signal processing unit to implement different functions based on different control signals. The control management unit also sets priorities for different processing signals (e.g., guidance data has the highest priority, telemetry data has the second highest priority, and self-test data has the lowest priority), and sends the different processing signals and control signals to the signal processing unit in priority order; The control and management unit specifically includes an optical fiber interface interconnected via an internal network, a central processing unit (CPU), and a reconfigurable logic unit. The optical fiber interface is used to acquire control commands issued by the missile-borne integrated mission management computer. To adapt to the high overload environment of the missile, the optical fiber interface in this embodiment adopts a high overload-resistant ruggedized FC daughter card. The CPU adopts a shock-resistant aerospace-grade or industrial-grade high-reliability CPU (such as a Cortex-R series lockstep core processor) and is used to encapsulate the control commands into execution commands. The reconfigurable logic unit adopts a radiation-resistant / shock-resistant FPGA minimum unit (such as a missile-borne ruggedized version of Microchip RT PolarFire or Xilinx XQRKU060) and parses and generates control signals and processing signals based on the execution commands. The central processing unit is also used to set priorities for each of the control signals; The fiber optic interface, central processing unit, and reconfigurable logic unit are sequentially connected via an internal network, which includes SRIO and Gigabit Ethernet. The control and management unit also integrates an RIO bridge chip, which is interconnected with the signal processing unit and recording and storage unit via the RapidIO bus, and communicates with the missile-borne integrated mission management computer via Ethernet via an Ethernet switch. The control management unit transmits the processing signals and control signals of different priorities to the signal processing unit through different transmission channels (high priority uses SRIO direct connection, low priority uses Ethernet); the signal processing unit is used to respond to different control signals, control the connection status of different functional threads of the signal processing unit, and realize the switching of different functions of the signal processing unit. The signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network (RapidIO bus and RIO switch). Specifically, these include missile-mounted ruggedized ZYNQ, missile-mounted ruggedized GPU (such as the industrial-grade version of NVIDIA Jetson AGX Orin), missile-mounted ruggedized FPGA, and missile-mounted ruggedized RFSOC (such as the military-grade temperature-rated version of Xilinx Zynq UltraScale+ RFSoC). The signal processing unit includes a sampling chip, a processing chip, and a computing chip. In this embodiment, the sampling chip is an RFSOC chip, the processing chip is a ZYNQ chip, and the computing chip is a GPU chip. The method of controlling the signal processing unit to achieve different functions based on different control signals includes: parsing the control signals of the missile-borne integrated mission management computer as launch commands or receive commands. When the missile-borne integrated mission management computer issues a launch command (e.g., the active radar seeker launches a detection waveform), the control management unit controls the signal processing unit to switch the launch function. At this time, the sampling chip in the signal processing unit converts the processed signal (e.g., baseband-coded guidance data) into an analog launch signal. The processing chip performs up-conversion and modulation on the signal. Multiple heterogeneous processing chips access the hardware resources corresponding to the launch function through different threads to complete the switching of the signal processing unit to the launch function. When the missile-borne integrated mission management computer issues a receiving command (e.g., to receive target echo or data link command), the control management unit controls the signal processing unit to switch to the receiving function. At this time, the sampling chip in the signal processing unit converts the received radio frequency signal into a digital intermediate frequency signal. The processing chip performs down-conversion, filtering, and demodulation on the digital signal. The computing chip calculates the demodulated result (e.g., target distance, speed information, or command data) to obtain the processing result and transmits the processing result to the missile-borne integrated mission management computer via the internal network. Multiple heterogeneous processing chips access the hardware resources corresponding to the receiving function through different threads to complete the switching of the signal processing unit to the receiving function. The recording and storage unit adopts a modular potting structure design resistant to high overload and a corresponding shock-resistant external connector. It is connected to the signal processing unit and the control management unit through an internal network (including the RapidIO bus). At the same time, it receives status and instruction information from the control management unit through an asynchronous serial bus. It is used to store instructions and data (including mid-course flight parameters, terminal guidance reference data, fault logs, etc.) transmitted by the missile-borne integrated mission management computer, the control management unit, and the signal processing unit. The power supply unit supplies power to the control management unit, the signal processing unit, and the recording and storage unit respectively. The power supply unit is used to process the externally input missile battery voltage (typical value 28V, wide fluctuation range) and supply power to each unit based on the processed voltage. The power supply unit includes two power supply sub-units, which are designed for redundancy and backup (cold backup or dual-path current sharing can be used under the limited missile volume). They are used to filter and convert the external input voltage (passing through input surge suppression, π-type filter, DC-DC converter and subsequent LDO in sequence), and provide multiple stable outputs (such as 5V, 3.3V, 1.8V, 0.9V, etc.) based on the processed voltage. All circuits adopt thick film potting technology to withstand high overload (≥10000g). The power supply unit also includes an energy storage circuit component (using a high-energy tantalum capacitor or a high-temperature supercapacitor) that provides short-term energy storage to the power supply circuit in the device. It can maintain the device operation for no less than 50ms when the voltage of the missile bus drops instantaneously due to the switching of a high-power load, ensuring the integrity of critical signal processing tasks. In this embodiment, the multi-channel radio frequency signal processing device, at the system control and management level, can realize multi-function switching, status control, and system resource scheduling management. It can generate system function configuration schemes based on the missile's flight phase (such as boost phase, cruise phase, and terminal guidance phase) and resource health status, and complete real-time resource allocation and functional thread assembly. It has the functions of monitoring the health status of resources and functional threads, fault isolation, and reporting. It has reconfiguration management and can complete task reconfiguration and downgrade reconfiguration in flight based on system resource conditions and health status (for example, automatically switching to FPGA acceleration mode after detecting a GPU failure). It can realize competitive scheduling management of resources and has the functions of software on-orbit reconfiguration (here, missile-borne online loading) and remote online loading via data link to adapt to signal processing algorithms that are temporarily updated before launch or during flight.
[0071] In another possible embodiment, this embodiment provides a multi-channel radio frequency signal processing device suitable for a drone platform, applied to the radio frequency signal processing end of the drone platform. The device includes a control management unit, a signal processing unit, a recording and storage unit, and a power supply unit. The control management unit is communicatively connected to a drone integrated mission management computer (such as a flight controller and a mission computer). The control management unit is used to parse and generate control signals and carried processing signals according to the control instructions issued by the UAV integrated mission management computer, and to control the signal processing unit to achieve different functions based on different control signals; The control and management unit also sets priorities for different processing signals (e.g., real-time image transmission and target identification data have the highest priority, flight telemetry and command forwarding have the second highest priority, and background logs and self-test data have the lowest priority), and sends the different processing signals and control signals to the signal processing unit in priority order; The control and management unit specifically includes an optical fiber interface interconnected via an internal network, a central processing unit (CPU), and a reconfigurable logic unit. The optical fiber interface is used to acquire control commands issued by the UAV integrated mission management computer. To meet the requirements of UAV lightweighting and vibration resistance, the optical fiber interface in this embodiment adopts a miniature ruggedized FC daughter card. The CPU adopts an industrial-grade low-power multi-core CPU (such as NXP i.MX8 or Intel Atom missile / UAV series) and is used to encapsulate the control commands into execution commands. The reconfigurable logic unit adopts a low-power FPGA minimum unit (such as AMD Xilinx Artix-7 or Intel Cyclone V series) and parses and generates control signals and processing signals based on the execution commands. The central processing unit is also used to set priorities for each of the control signals; the fiber optic interface, the central processing unit and the reconfigurable logic unit are connected in sequence through an internal network, which includes SRIO and 100 Mbps / 1 Gbps Ethernet. The control management unit also integrates an SRIO bridge chip, which is interconnected with the signal processing unit and the recording and storage unit through the RapidIO bus (balancing high-speed data exchange and low latency), and realizes Ethernet communication with the UAV integrated mission management computer through an Ethernet switch. At the same time, it can be connected to an external UAV data link terminal to realize remote interaction with the ground station. The control management unit transmits the processing signals and control signals of different priorities to the signal processing unit through different transmission channels (high-bandwidth real-time data via SRIO, and control and status via Ethernet). The signal processing unit is used to respond to different control signals, control the connection state of different functional threads of the signal processing unit, and realize the switching of different functions of the signal processing unit. The signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network (RapidIO bus and RIO switch). Specifically, these include industrial-grade ZYNQ chips (such as the Zynq-7000 series), embedded GPUs (such as NVIDIA Jetson Orin NX or TX2 industrial-grade versions), FPGAs, and RFSOCs (such as the low-power version of AMD Zynq UltraScale+ RFSoC ZU28DR). The signal processing unit includes a sampling chip, a processing chip, and a computing chip. In this embodiment, the sampling chip is an RFSOC chip, the processing chip is a ZYNQ chip, and the computing chip is a GPU chip. Methods for controlling signal processing units to achieve different functions based on different control signals include: parsing the control signals of the UAV integrated mission management computer into transmit or receive commands; When the UAV integrated mission management computer issues a launch command (e.g., the communication relay or radar payload carried by the UAV needs to launch a detection signal), the control management unit controls the signal processing unit to switch the launch function. At this time, the sampling chip in the signal processing unit converts the processed signal (e.g., baseband-formed communication data or radar pulse) into an analog radio frequency signal. The processing chip performs up-conversion, filtering and power pre-amplification on the signal. Multiple heterogeneous processing chips access the hardware resources corresponding to the launch function through different threads to complete the switching of the signal processing unit to the launch function. When the UAV integrated mission management computer issues a receiving instruction (e.g., receiving ground telemetry and control instructions, reconnaissance target echoes, or collaborative data from distributed UAVs), the control management unit controls the signal processing unit to switch to the receiving function. At this time, the sampling chip in the signal processing unit converts the received radio frequency signal into a digital intermediate frequency or baseband signal. The processing chip performs down-conversion, synchronization, and demodulation on the digital signal. The computing chip performs signal decoding, target recognition, or data fusion algorithms to obtain the processing result and transmits the processing result to the UAV integrated mission management computer via the internal network or directly back to the ground station via the data link. Multiple heterogeneous processing chips access the hardware resources corresponding to the receiving function through different threads to complete the switching of the signal processing unit to the receiving function. The recording and storage unit adopts a vibration-resistant, lightweight, and quick-assembly modular structure design (such as an NVMe SSD module with a rugged connector). It is connected to the signal processing unit and the control management unit through an internal network (including a RapidIO bus). At the same time, it receives status and instruction information from the control management unit through an asynchronous serial bus. It is used to store instructions and data (including flight mission planning, raw sensor data, identification results, and fault logs) transmitted by the UAV integrated mission management computer, the control management unit, and the signal processing unit. It supports high-speed unloading after the mission is completed. The power supply unit supplies power to the control management unit, the signal processing unit, and the recording and storage unit respectively. The power supply unit is used to process the externally input UAV onboard power supply (typically 12V or 24V, from the battery or power conversion module) and supply power to each unit based on the processed voltage. The power supply unit includes two power sub-units, which are redundantly backed up by each other (using dual-input diode ORING or intelligent power switching). They are used to filter and convert the external input voltage (passing sequentially through an input electromagnetic compatibility filter, overvoltage and overcurrent protection, a DC-DC converter, and a low-noise LDO), and provide multiple stable outputs (such as 5V, 3.3V, 1.8V, 0.9V core voltages, etc.) based on the processed voltage. All circuits use wide-temperature components and are coated with tri-proof coating to adapt to the high-altitude low air pressure and temperature changes of the UAV. The power supply unit also includes an energy storage circuit component (using polymer tantalum capacitors or small supercapacitors) that provides short-term energy storage to the power supply circuit in the device. It can maintain the device operation for no less than 30ms when the drone power supply experiences a momentary drop due to the start of a high-power motor or a sudden load change, thus avoiding signal processing interruption. In this embodiment, the multi-channel radio frequency signal processing device, at the system control and management level, can realize multi-function switching, status control, and system resource scheduling management. It can generate system function configuration schemes based on the UAV flight mode (such as manual cruise, autonomous reconnaissance, relay mode, formation flight, etc.) and resource health status, and complete real-time resource allocation and functional thread assembly. It has the functions of monitoring the health status of resources and functional threads, fault isolation and reporting, and can transmit health information to the ground control station through data link. It has reconstruction management, and can complete task reconstruction and degradation reconstruction in the air according to system resource conditions and health status (for example, automatically shutting down some AI algorithms and switching to FPGA lightweight processing when the GPU temperature is too high). It can realize resource competition scheduling management and has the function of remote online software loading, updating signal processing algorithms and task parameters of UAV during flight or before takeoff through the ground station uplink.
[0072] Figure 3 The diagram shown is a schematic of the signal processing unit architecture provided in the embodiment. Please refer to it. Figure 3 As shown, this invention provides the following embodiment. The signal processing unit provided in this embodiment is based on the resource pool concept and deploys four types of chips: ZYNQ, GPU, FPGA, and RFSOC. Each chip contains multiple instances (such as ZYNQ0~ZYNQ2, GPU0~GPU2), forming a dynamically schedulable heterogeneous computing cluster. All chip resources are fully interconnected at the chip level through a high-speed SRIO network (RapidIO bus), supplemented by a GTI bus for low-latency control signal interaction, and synchronized with the control management unit and recording and storage unit for status and instructions through an asynchronous serial bus and Ethernet. Under the unified scheduling of the system control management unit, the signal processing unit dynamically configures the functional roles of each chip through the network, supports online loading of functional software, thereby realizing flexible deployment and dynamic reconstruction of algorithm tasks. It can meet the real-time reading requirements of different application software for internal computing resources, data preprocessing, and preloaded data, and the device selection has taken into account a 30% margin to adapt to future functional expansion needs.
[0073] In this embodiment, the signal processing unit also has the function of differentiated response based on signal priority: each control signal issued by the control management unit carries a priority identifier (such as high, medium, and low levels). The resource scheduler inside the signal processing unit dynamically allocates processing resources according to priority—high-priority signals can preempt low-priority tasks that are currently being executed and immediately start the corresponding ZYNQ / FPGA processing pipeline or GPU acceleration unit; medium-priority signals enter the priority queue and wait for the current high-priority task to be completed before being executed in sequence; low-priority signals are only processed when the system is idle. At the same time, the RFSOC chip can perform weighted sorting of the multi-channel signals acquired by the RF front end according to priority to ensure that the data of the critical channels are processed first. This mechanism ensures that on platforms with stringent real-time requirements such as spaceborne, missile-borne, or UAV platforms, critical function threads always receive a definite response delay, effectively avoiding processing blockage caused by resource contention.
[0074] Figure 4 This is a schematic diagram of a multi-channel radio frequency signal processing system provided in an embodiment of the present invention. Please refer to it. Figure 4 As shown, this embodiment of the invention provides a multi-channel radio frequency signal processing system suitable for small motion platforms, the system including a transmitter, a receiver, and a management unit; The transmitter is used to transmit control commands issued by the mission unit to the control management unit via an optical fiber interface, and also to send control signals generated by the control management unit to the signal processing unit. Specifically, in response to commands issued by the mission unit, the transmitter transmits the commands via optical fiber to the control management unit through a radiation-hardened FC daughter card (or an FC daughter card adapted to the corresponding platform). The control management unit schedules the signal processing unit to complete functions such as function mode switching, message response, and protocol processing. Subsequently, beam coding is implemented in the RFSOC chip, and the signals are then transmitted via the RF front end. The transmitter also supports online software loading and remote online upgrades, and can dynamically update the transmission waveform and encoding strategy according to the configuration of the management unit. The receiving end is located in the signal processing unit and is used to receive control signals (actually external signals from the RF front-end) sent by the transmitting end. Based on the received signals, the signal processing unit executes the processing to obtain processed data, which is then transmitted to the control management unit via an internal network (such as a RapidIO / SRIO switching network). The control management unit then transmits the processed data internally to the task machine and the recording and storage unit. Specifically, the receiving end inputs different signals from the RF front-end into the signal processing unit. The heterogeneous chips (ZYNQ, GPU, RFSOC) in the signal processing unit perform signal processing on different RF sources, including digital down-conversion, channelization, target detection, demodulation, and decoding. The processed data is then distributed to the control management unit via the internal SRIO switching network and simultaneously uploaded to the task machine and the recording and storage unit for local storage. The management terminal, located within the control management unit, is used to issue multiple control commands and monitor the resource and functional thread occupancy of the system. The management terminal also includes a health management module and a reconfiguration management module: based on the system's resource and functional thread occupancy, it performs health status monitoring, comprehensive fault diagnosis, isolation, and reporting; and dynamically adjusts the priority of control commands according to the system's resource and functional thread occupancy to ensure that critical tasks (such as guidance and threat alarms) receive the highest processing priority. The management terminal also has unified message processing and protocol processing functions, enabling on-orbit / online reconfiguration of system functions through a remote online upgrade interface, as well as function control—generating system function configuration schemes based on task stages and resource health status, and completing real-time resource allocation and functional thread assembly. When resource insufficiency or faults are detected, the management terminal automatically triggers a degradation reconfiguration, isolating the faulty module and reallocating remaining resources to ensure the continuous operation of basic system functions.
[0075] The system provided by this invention achieves efficient transmission and reception, real-time processing, and intelligent control of multi-channel radio frequency signals in spaceborne, missile-borne, or UAV platforms through the collaborative work of the transmitter, receiver, and management end, combined with optical fiber communication, SRIO switching network, and multi-level priority scheduling.
[0076] Although the invention has been described in considerable detail and particularly with regard to several of the described embodiments, it is not intended to limit itself to any of these details or embodiments or any particular embodiment, thereby effectively covering the intended scope of the invention. Furthermore, the invention has been described above with respect to embodiments foreseeable by the inventors in order to provide a useful description, and non-substantial modifications to the invention that have not yet been foreseen may still represent equivalent modifications.
Claims
1. A multi-channel radio frequency signal processing device suitable for small motion platforms, characterized in that, The device includes: a control and management unit, a signal processing unit, a recording and storage unit, and a power supply unit; The control and management unit is used to parse and generate control signals and processing signals based on the control instructions issued by the task machine, and to control the processing unit to achieve different functions based on different control signals. The signal processing unit is used to respond to different control signals, control the connection state of different functional threads of the signal processing unit, and realize the loading of different functional programs by the signal processing unit. The recording and storage unit is connected to the signal processing unit and the control and management unit via an internal network, and is used to store the signals transmitted by the task machine, the control and management unit and the signal processing unit. The power supply unit provides power to the control management unit, the signal processing unit, and the recording and storage unit, respectively.
2. The multi-channel radio frequency signal processing device according to claim 1, characterized in that, The control management unit also sets priorities for different processing signals and sends the different processing signals and control signals to the signal processing unit in priority order.
3. The multi-channel radio frequency signal processing device according to claim 1, characterized in that, The method for loading different functional programs into a signal processing unit based on different control signals includes: The control signals from the mission controller are either transmit or receive commands. When the mission unit issues a launch command, the control management unit controls the signal processing unit to switch the launch function; when the mission unit issues a receive command, the control management unit controls the signal processing unit to switch the receive function.
4. The multi-channel radio frequency signal processing device according to claim 1, characterized in that, The control and management unit is also used to upload the resource and function thread occupancy status of the device to the task machine.
5. The multi-channel radio frequency signal processing device according to claim 3, characterized in that, The signal processing unit includes multiple heterogeneous processing chips, which are interconnected through an internal network. These heterogeneous processing chips sample, extract, and process the signal.
6. The multi-channel radio frequency signal processing device according to claim 5, characterized in that, When the signal processing unit performs the transmission function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the transmission function through different threads, thereby completing the switching of the signal processing unit to the transmission function. When the signal processing unit performs the receiving function, it controls multiple heterogeneous processing chips to access the hardware resources corresponding to the receiving function through different threads, thereby completing the switching of the signal processing unit to the receiving function.
7. The multi-channel radio frequency signal processing device according to claim 6, characterized in that, When the signal processing unit performs the transmission function, the heterogeneous processing chip performs signal encoding on the processed signal; When the signal processing unit performs the receiving function, the heterogeneous processing chip performs signal decoding on the processed signal and transmits the result of the signal decoding to the task machine via the internal network.
8. The multi-channel radio frequency signal processing device according to claim 1, characterized in that, The power supply unit is used to process the external input voltage and supply power to the control management unit, the signal processing unit and the recording and storage unit respectively based on the processed voltage.
9. A multi-channel radio frequency signal processing system suitable for small motion platforms, the system operating on the device according to any one of claims 1-8, characterized in that, The system includes a management terminal, a transmitter, and a receiver; The management terminal is used to issue multiple control commands and monitor the resource and function thread usage of the system. The transmitter is used to transmit control commands and processing signals issued by the management terminal to the control management unit via the optical fiber interface. The control management unit controls the signal processing unit to encode the processing signals based on the control commands and transmits the encoded results through the transmitter. The receiving end is used to receive the radio frequency signal sent by the transmitting end, and after decoding the received radio frequency signal by the signal processing unit, the decoding result is transmitted to the mission machine and the recording and storage unit via the internal network.
10. The multi-channel radio frequency signal processing system according to claim 9, characterized in that, The management terminal also adjusts the priority of control commands based on the resource and function thread usage of the system.